What are some skin lightening creams that work good?

My knees are really dark and I need to find some good skin lightening creams that I can buy at the store not online.|||sunscreen. my friend put alot on the other day and she looked like a geisha|||We have cream that can improve your skin condition for acne problem, dryness, pimples, visible big pores, whitening effect, blackheads, balancing oil %26amp; lightening pigmentation. A facial cleanser. For products catalogues and price pls email us. Thanks.